Nothofagus pumili Argentina Villalba (IMAGE) University of Leeds Caption Nothofagus pumilio (southern beeches) forests around Lago Argentino, in the Andes of southern Patagonia, Argentina, showing groups of dead trees in relation to the severe drought during the austral summer 2011-2012. Increment cores from dead trees provide ages ranging from 150 to 300 years for these individuals. Credit Ricardo Villalba, Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales (IANIGLA-CONICET). Usage Restrictions Credit must be given License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.